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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8004879

Type

Invention Patent

Filing

08/04/1980

Publication

03/30/1982

Progress at the INPI

  1. Filing08/04/80
  2. Publication03/30/82
  3. Examination07/06/82
  4. Allowance01/24/84
  5. Grant08/28/84
  6. Expired09/19/95

The letters patent expired on 09/19/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mec Prec Mecânica de precisão ind. e com. LTDA.

RJ, BR

Inventors

K. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

01/26/1988

RPI 901

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

Exigência - art. 36 da LPI

#6.1

10/04/1983

RPI 676

Pedido de certificado de adição de invenção

#5.1

01/04/1983

RPI 637

Solicitação de exame técnico

#4.1

07/06/1982

RPI 611

Publicação do pedido de patente

#3.1

03/30/1982

RPI 597

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

Pedido de licença compulsória

#20.1

02/16/1994

RPI 1211

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